2140369

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:74

約数の個数: 27

約数和(自身を含む): 2888361

約数和(自身を除く): 747992

約数列:

[1, 7, 11, 19, 49, 77, 121, 133, 209, 361, 539, 847, 931, 1463, 2299, 2527, 3971, 5929, 10241, 16093, 17689, 27797, 43681, 112651, 194579, 305767, 2140369]

約数ペア:

[(1, 2140369), (7, 305767), (11, 194579), (19, 112651), (49, 43681), (77, 27797), (121, 17689), (133, 16093), (209, 10241), (361, 5929), (539, 3971), (847, 2527), (931, 2299)]